/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package sekhmet.audio;

import java.util.HashSet;
import java.util.Set;

import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.Mixer;

import sekhmet.audio.source.mic.Microphone;

public class AudioWrangler {

	private final Set<Microphone> microphones;
	
	public AudioWrangler() {
		microphones = new HashSet<Microphone>();
	}

	public Set<Microphone> getMicrophones() {
		if (microphones.isEmpty()) {
			// Discover some
			for (Mixer.Info mixerInfo: AudioSystem.getMixerInfo()) {
				final Mixer mixer = AudioSystem.getMixer(mixerInfo);
				for (Line.Info lineInfo: mixer.getTargetLineInfo()) {
					if (lineInfo instanceof DataLine.Info) {
						final Microphone microphone = new Microphone((DataLine.Info)lineInfo, mixerInfo);
						microphones.add(microphone);
					}
				}
			}
		}
		return microphones;
	}
	
	public void close() {
		for (final Microphone microphone :microphones) {
			microphone.close();
		}
		
		for (Mixer.Info mixerInfo: AudioSystem.getMixerInfo()) {
			final Mixer mixer = AudioSystem.getMixer(mixerInfo);
			mixer.close();
		}
	}

	public Microphone aMic() {
		return getMicrophones().iterator().next();
	}
}
